. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. THE BRYALES 215. Fig. 115.—A, Longitudinal section of the young sporogonium of Pleuridium suhulatum, X8o; B, part of the same, X600; sp, archesporium; C, young embryo of Phascum cuspidatum, optic?! section, X175; Dj cross-section of an older embryo of the same, X350; sp, archesporium; E, longitudinal section of the central part of the young sporogonium of Ephemerum phascoides, X3S0; sp, archesporium. C, D, after Kienitz-Gerloff; E, after Please note that these images are extracted from

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. The structure and development of mosses and ferns (Archegoniatae). Plant morphology; Mosses; Ferns. THE BRYALES 215. Fig. 115.—A, Longitudinal section of the young sporogonium of Pleuridium suhulatum, X8o; B, part of the same, X600; sp, archesporium; C, young embryo of Phascum cuspidatum, optic?! section, X175; Dj cross-section of an older embryo of the same, X350; sp, archesporium; E, longitudinal section of the central part of the young sporogonium of Ephemerum phascoides, X3S0; sp, archesporium. C, D, after Kienitz-Gerloff; E, after Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Campbell, Douglas Houghton, 1859-1953. New York, The Macmillan Company;

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Keywords: ., bookauthorcampbelldouglashought, bookcentury1900, bookdecade1910